From adb28d67cb3bdb7c24c03fd60fa272fe22f6a604 Mon Sep 17 00:00:00 2001
From: 0x45f <23097963+0x45f@users.noreply.github.com>
Date: Thu, 28 Oct 2021 15:56:51 +0800
Subject: [PATCH] polish _remove_no_value_return_var() function (#36826)

---
 .../paddle/fluid/dygraph/dygraph_to_static/convert_operators.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/paddle/fluid/dygraph/dygraph_to_static/convert_operators.py b/python/paddle/fluid/dygraph/dygraph_to_static/convert_operators.py
index d27af5c0dd..0ac4da947a 100644
--- a/python/paddle/fluid/dygraph/dygraph_to_static/convert_operators.py
+++ b/python/paddle/fluid/dygraph/dygraph_to_static/convert_operators.py
@@ -214,7 +214,7 @@ def convert_ifelse(pred, true_fn, false_fn, true_args, false_args, return_vars):
 
 
 def _remove_no_value_return_var(out):
-    if out and isinstance(out, tuple):
+    if isinstance(out, tuple) and len(out) > 0:
         processed_out = out
         align_ret = out[0]
         if isinstance(align_ret, tuple):
-- 
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